Polyacrylate salt, methods of preparation and applications for employing the same

A composition comprising a crosslinked polyacrylate salt obtained by the steps of

• (a) reacting a crosslinked polyacrylic polymer and an aminosilicone copolymer in the presence of a reaction-promoting amount of water in the range of 0.2 to 0.99 wt % based on the total weight of the intermediate wax composition at a temperature range of from 90 to 120° C. for a reaction time of from 4 to 6 hours to obtain an intermediate wax composition;
• and
• (b) reacting the intermediate wax composition with an aqueous solution of an organic amine base solution to produce the crosslinked polyacrylate salt,
• wherein
• the crosslinked polyacrylate salt has a backbone represented by the general formula:
• wherein
• R is selected from the group consisting of hydrogen, alkyl group, aryl group, alkaryl/aralkyl groups, and cycloaliphatic groups,
• R′ is selected from the group consisting of alkyl group, aryl group and alkyl/aryl groups having from 1 to 30 carbon atoms,
• X⊕ is a cationic amine group of the aminosilicone copolymer,
• Y⊕ is a cationic amine group of the organic amine base of tromethamine,
• x is an integer between 50 and 20,000;
• y is an integer between 50 and 20,000;
• z is an integer between 0 and 5,000;
• and,
• the ratio of x:(x+y) is between 0.02 and 0.2,
• wherein
• the aminosilicone copolymer is selected from the group consisting of
• (i) an aminosilicone copolymer resulting from the epoxy ring opening reaction of:
• R1R2NH and
• wherein
• R1 is —R3(OCH2CH2)a[OCH(CH3)CH2]m—,
• R2 is H,
• R3 is (CnH2n+1)— where n is an integer from 1 to 30, or (Cn′H2n′−1)— where n′ is an integer from 2 to 30, or (Cn″H2n″−3)— where n″ is an integer from 4 to 30,
• a is an integer from 2 to 4,
• m is 0 or an integer from 1 to 100,
• and
• p is an integer from 2 to 1,000;
• (ii) a block copolymer having the general formula of [AB]n
• wherein
• A is a polysiloxane group having the general formula of
• [X(CaH2aO)bR6[(SiO(R5)2]cSi(R5)2R6(OCaH2a)bX],
• B is a polyalkyleneoxide group having the general formula of
• [YO(CaH2aO)dY],
• R5 is an alkyl containing from 1 to 4 carbon atoms,
• R6 is a divalent organic moiety,
• X and Y are divalent organic groups selected from a secondary or tertiary amine and a ring opened epoxide, such that when X is a ring opened epoxide, Y is an amine and vice versa,
• a is independently 2 to 4,
• b is independently 0 to 100,
• c is 1 to 500,
• d is 0 to 100,
• n is an integer from 1 to 500, and
• (b+d) is 1 to 100;
• and,
• (iii) a random copolymer of C and D
• wherein
• C is a polysiloxane group having the general formula:
• —CR7R8—CR9(OH)R11—(SiR102O)x—SiR102—R11CR9(OH)CR7R8-L-
• wherein
• R7 is independently selected from the group consisting of hydrogen and alkyl, aryl, alkenyl, or aralkyl group containing up to 20 carbon atoms, and optionally containing an oxygen atom,
• R8 is independently selected from the group consisting of a bond, hydrogen and an alkyl, aryl, alkenyl, or aralkyl group containing up to 20 carbon atoms, and optionally containing an oxygen atom,
• R9 is independently selected from the group consisting of hydrogen, and an alkyl, aryl, alkenyl, or aralkyl group containing up to 20 carbon atoms, and optionally containing an oxygen atom,
• with the proviso that if R8 is a chemical bond, then R9 is a divalent hydrocarbon group of from 1 to 20 carbon atoms, and optionally containing an oxygen atom, that form a ring containing the chemical bond, R8,
• R10 is independently selected from the group consisting of hydrogen, and an alkyl, alkenyl, aryl or aralkyl group containing up to 10 carbon atoms,
• R11 is a divalent hydrocarbon radical containing from 1 to 20 carbon atoms, and optionally containing an oxygen atom,
• L is independently a divalent linking group selected from the group consisting of —N(R12NR132)— and
• wherein
• R12 is a divalent hydrocarbon radical containing from 1 to 20 carbon atoms,
• R13 is independently hydrocarbon radical containing from 1 to 20 carbon atoms, and
• R14 is a divalent hydrocarbon group containing from 2 to 20 carbon atoms, and optionally containing an oxygen atom or an —NR13— group,
• x is an integer from 1 to 500, and
• D is a polyalkylene oxide having the general formula of
• —CR7R8—CR9(OH)R11—O(CaH2aO)bR11C—R9(OH)CR7R8-L-
• wherein R7, R8, R9, R11, L, a and b are defined as above,
• wherein the obtained crosslinked polyacrylate salt has a Brookfield viscosity at 25° C. in the range of 15,000 to 50,000 cp when diluted at 3 wt % in water.